As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
NR 2 ENGINE FIRE WARNING. ENGINE SHUTDOWN DUE TO OVERHEAT INDICATION. *S/D* PERFORMED VISUAL CHECK AND COULD NOT FIND ANY INDICATION OF FIRE IN ENGINE. INSPECTED ENGINE FIRE LOOP AND FOUND THAT THE LOOP WAS OUT OF ITS PROPER POSITION. REPLACED LOWER FIRE LOOP AS PRECAUTIONARY PROCEDURE. REPLACED DISCHARGED NR 2 ENGINE FIRE BOTTLE. SUCCESSFULLY TESTED FIRE LOOP AND BOTTLE/SQUIBS.